UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close

ISO 21927-4

Smoke and heat control systems — Part 4: Natural smoke and heat exhaust ventilators — Design, requirements and installation

active, Most Current
Buy Now
Organization: ISO
Publication Date: 1 April 2019
Status: active
Page Count: 24
ICS Code (Fire protection): 13.220.20
scope:

This document applies to the design and installation of natural smoke and heat exhaust ventilators (NSHEVs) for spaces from which smoke is extracted vertically by thermal buoyancy via the roof in the case of single-storey buildings and via the uppermost storey in the case of multi-storey buildings. It also applies to spaces in which NSHEVs are installed in external walls.

This document includes tables and calculation methods for the design of clear layers in order to comply with the requirements of various protection objectives.

This document includes information and provisions to be taken into account when applying the design rules set out herein and when installing NSHEVs.

Document History

ISO 21927-4
April 1, 2019
Smoke and heat control systems — Part 4: Natural smoke and heat exhaust ventilators — Design, requirements and installation
This document applies to the design and installation of natural smoke and heat exhaust ventilators (NSHEVs) for spaces from which smoke is extracted vertically by thermal buoyancy via the roof in the...

References

Advertisement